/* ============================================================
   Chat2Evidence — Step 1: Upload Page Styles
   ============================================================ */

#step1 { text-align: center; }

.hero {
  padding: 56px var(--space-6) 44px;
  max-width: 700px;
  margin: 0 auto;
}
.hero h1 {
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  color: var(--gray-500);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}

.upload-zone {
  max-width: 640px;
  margin: 28px auto 0;
  border: 2.5px dashed var(--teal);
  border-radius: var(--r-lg);
  background: var(--white);
  padding: 48px 32px;
  cursor: pointer;
  transition: all var(--t-normal);
  position: relative;
  user-select: none;
}
.upload-zone:hover,
.upload-zone.drag-over {
  background: var(--teal-bg);
  border-color: var(--teal-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.upload-zone.drag-over {
  border-style: solid;
  transform: translateY(-4px) scale(1.01);
}

.upload-icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  color: var(--teal);
}
.upload-icon svg { width: 100%; height: 100%; }

.upload-zone h2 {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--navy);
}

.btn-browse {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--teal);
  color: var(--teal);
  background: transparent;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: .92rem;
  padding: 11px 28px;
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all var(--t-fast);
}
.btn-browse:hover {
  background: var(--teal);
  color: var(--white);
}
.btn-browse svg { width: 17px; height: 17px; }

.upload-zone input[type=file] { display: none; }

/* ── How-to pills ── */
.how-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 24px auto 0;
  max-width: 640px;
}
.how-chip {
  background: var(--white);
  border: 1px solid var(--gray-200);
  color: var(--gray-600);
  font-size: .78rem;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: var(--r-full);
  box-shadow: var(--shadow-sm);
}
.how-chip strong { color: var(--teal); }

/* ── SEO info band ── */
.info-band {
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 40px var(--space-6);
  margin-top: 56px;
}
.info-band .inner {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  text-align: left;
}
@media (max-width: 640px) {
  .info-band .inner { grid-template-columns: 1fr; }
}
.info-col h3 {
  font-family: var(--font-sans);
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 7px;
}
.info-col p {
  font-size: .83rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ── NEW HERO RESPONSIVE ── */
@media (max-width: 768px) {
  /* Hero grid → single column */
  #step1 > div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
    padding: 28px 16px 32px !important;
  }
  /* Hide right mockup on very small screens */
  @media (max-width: 480px) {
    #step1 > div[style*="grid-template-columns:1fr 1fr"] > div:last-child {
      display: none !important;
    }
  }
  /* How it works → single column */
  #how-it-works > div[style*="grid-template-columns:1fr auto 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 0 !important;
  }
  #how-it-works svg[viewBox="0 0 24 24"] { display: none !important; }

  /* Features → single column */
  #features > div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* Pricing → single column */
  #pricing > div > div[style*="grid-template-columns:1fr auto auto"] {
    grid-template-columns: 1fr !important;
    text-align: center !important;
  }

  /* Trust stats → 2 cols on mobile */
  div[style*="grid-template-columns:repeat(4,1fr)"] {
    grid-template-columns: repeat(2,1fr) !important;
  }

  /* Upload zone full width */
  .upload-zone { max-width: 100% !important; }
}

/* Subnav hidden on small screens */
@media (max-width: 560px) {
  #step1 nav > div:first-child { display: none !important; }
}